Inventor · disambiguated record
Yoshitaka Kageyama
Also filed as: KAGEYAMA YOSHITAKA
10 granted patents·157 citations·filing 1985–2013
88Inventor score
Top patents by PatentIndex Score
10 records- 0185US4925591AMesomorphic compound having β-hydroxycarboxyl group as chiral source and liquid crystal compositionMITSUBISHI RAYON CO·Filed 1988·Granted May 15, 1990·44 cites·2 claims
- 0284US4642736ALight diffuserMITSUBISHI RAYON CO·Filed 1985·Granted Feb 10, 1987·68 cites·14 claims
- 0358US5480580AOptically active compound having a δ-valerolactone ring and liquid crystal composition containing sameMITSUBISHI RAYON CO·Filed 1995·Granted Jan 2, 1996·17 cites·6 claims
- 0455US9890481B2Method for production of carbon fiber bundleMITSUBISHI CHEM CORP·Filed 2013·Granted Feb 13, 2018·0 cites·16 claims
- 0554US5045228AOptically active compound having XI-valerolactone ring and liquid crystal composition comprising sameMITSUBISHI RAYON CO·Filed 1990·Granted Sep 3, 1991·5 cites·2 claims
- 0651US6428891B1Acrylonitrile-based precursor fiber for carbon fiber and method for production thereofMITSUBISHI RAYON CO·Filed 1999·Granted Aug 6, 2002·17 cites·25 claims
- 0742US5164113AOptical active compound and liquid crystal compositionMITSUBISHI RAYON CO·Filed 1990·Granted Nov 17, 1992·2 cites·3 claims
- 0832US5124069AOptically active substance and liquid crystal composition comprising sameMITSUBISHI RAYON CO·Filed 1990·Granted Jun 23, 1992·2 cites·2 claims
- 0931US4751018AAlpha-methylcinnamic acid ester derivative and liquid crystal compositionMITSUBISHI RAYON CO·Filed 1987·Granted Jun 14, 1988·2 cites·3 claims
- 1025US5098599AOptically active compound and liquid crystal compositionMITSUBISHI RAYON CO·Filed 1991·Granted Mar 24, 1992·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →